Sorptive riddance of enrofloxacin from wastewater: linear and non-linear isotherm and kinetics, safe disposal, and cost analysis

2022 ◽  
Author(s):  
Debasish Das Sharma ◽  
Sumona Show ◽  
Sucharita Samanta ◽  
Vanitha Kondi ◽  
Anoar Ali Khan ◽  
...  
Keyword(s):  
Cost Analysis ◽  
Safe Disposal ◽  
Linear Isotherm ◽  
Non Linear

Adsorption of 2,4-dinitrophenol on Activated Carbon Prepared from Cotton Cakes: Non-linear Isotherm Modeling

2018 ◽  
Vol 24 (1) ◽  
pp. 1-20 ◽  
Author(s):  
Bopda Aurelien ◽  
Tchuifon Tchuifon Donald Raoul ◽  
Nche George Ndifor-Angwafor ◽  
Kamdem Tamo Arnaud ◽  
Anagho Solomon Gabche
Keyword(s):  
Activated Carbon ◽  
Isotherm Modeling ◽  
Linear Isotherm ◽  
Non Linear

scholarly journals Non-linear Regression Analysis for the Adsorption Kinetics and Equilibrium Isotherm of Phenacetin onto Activated Carbons

2019 ◽  
pp. 1-18 ◽  
Author(s):  
Christian Sadeu Ngakou ◽  
Gabche Solomon Anagho ◽  
Horace Manga Ngomo
Keyword(s):  
Experimental Data ◽  
Activated Carbon ◽  
Activated Carbons ◽  
Linear Regression Analysis ◽  
Xrd Analysis ◽  
Strong Interactions ◽  
Isotherm Models ◽  
Linear Isotherm ◽  
Non Linear ◽  
Best Fit

Activated carbon obtained from ayous sawdust, Cucurbitaceae (egussi) peelings and the mixture of the two were studied for the adsorption of phenacetin. Characterisation of activated carbon by SEM and XRD analysis shows that the mixture of precursors combine the properties of activated carbon obtained separately. The well-knownbatch sorption models– Langmuir (one and two sites), Freudlich, Tempkin, Elovich, Langmuir-Freudlich, Redlich Peterson, Radke-Prausnitz, Fritz Shlunder)—were tested with experimental data for the adsorption of phenacetin to estimate adsorption equilibrium parameters—rate constantsand adsorption capacities. The model with the best fit was identified from extensive statistical analysis of the results of nonlinear regression of the experimental data. Comparison of the statistical errors in parameter estimation between linear and non-linear isotherm models shows that transformation of non-linear isotherm equations to linear forms implicitly alter their error structure. The much smaller size of the various error indicators —Determination Coefficient, R2; Sum of Square Errors, SSE; Chi Test, χ2; Average Relative Errors, ARE—, calculated for the case of non linearization when compared to linearization, indicate the greater accuracy in the application of non linearization. The Langmuir model (one site) gave the best fit and thus the values of adsorption capacity for each activated carbon were calculated from it. Kinetic models show that weak and strong interactions are involved in the adsorption process and that the controlling mechanism may not be limited to intra particle diffusion. The lower value of the boundary layer thickness in the case of activated carbon obtained from the mixture, justified the higher adsorbed quantity of this activated carbon compared to those of activated carbon from each precursor.

Preparation and Characterization of Anionic Composite Hydrogel for Dyes Adsorption and Filtration: Non-linear Isotherm and Kinetics Modeling

2020 ◽  
Vol 28 (6) ◽  
pp. 1710-1723 ◽  
Author(s):  
Adel Mokhtar ◽  
Soumia Abdelkrim ◽  
Amina Sardi ◽  
Amina Benyoub ◽  
Hadj Besnaci ◽  
...  
Keyword(s):  
Composite Hydrogel ◽  
Kinetics Modeling ◽  
Linear Isotherm ◽  
Non Linear ◽  
Dyes Adsorption

The Non-linear Isotherm. “From extraction to chromatography”

1981 ◽  
Vol 4 (9) ◽  
pp. 474-476
Author(s):  
A. S. Said ◽  
H. H. Al-Ali
Keyword(s):  
Linear Isotherm ◽  
Non Linear

Design and identification of poly(vinyl chloride)/layered double hydroxide@MnO2 nanocomposite films and evaluation of the methyl orange uptake: linear and non-linear isotherm and kinetic adsorption models

2020 ◽  
Vol 44 (16) ◽  
pp. 6510-6523 ◽  
Author(s):  
Shadpour Mallakpour ◽  
Mina Naghdi
Keyword(s):  
Methyl Orange ◽  
Vinyl Chloride ◽  
Layered Double Hydroxide ◽  
Nanocomposite Films ◽  
Adsorption Models ◽  
Kinetic Adsorption ◽  
Poly Vinyl Chloride ◽  
Linear Isotherm ◽  
Non Linear ◽  
Double Hydroxide

In this work, an adsorbent based on poly(vinyl chloride) (PVC) for the removal of methyl orange (MO) dye is proposed.

scholarly journals Liquid-to-particle mass transfer in a stirred batch adsorption tank with non-linear isotherm.

1982 ◽  
Vol 15 (1) ◽  
pp. 67-70 ◽  
Author(s):  
DRAGOSLAV M. MISIC ◽  
YOSHITAKA SUDO ◽  
MOTOYUKI SUZUKI ◽  
KUNITARO KAWAZOE
Keyword(s):  
Mass Transfer ◽  
Particle Mass ◽  
Batch Adsorption ◽  
Linear Isotherm ◽  
Non Linear
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